@inproceedings{ijcai1975p97,
  title     = {Direction Coding Method And Its Application To Scene Analysis},
  author    = {Ejirl, M. and Yode, H. and Motolke, J.},
  booktitle = {Proceedings of the Fourth International Joint Conference on
               Artificial Intelligence, {IJCAI-75}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Patrick Winston and Carl Hewitt},
  pages     = {620--626},
  year      = {1975},
  note      = {Visual Information Processing},
  url       = {https://ijcai.org/proceedings/1975/97},
}